Logic & Brain

Classic Sudoku with three difficulties and unique solutions

Fill cells by the number clues to reveal a picture

Classic mine-field logic game: left click to reveal, right click to flag

A pure front-end 3D cube puzzle: orbit the camera, turn the faces and solve it

Make 24 from four cards with + - x /, solver included

Place 8 queens so none can attack each other

Draw one closed loop matching the number clues

Fill 1-9 so each run adds up to its clue

Connect matching dots and fill the whole grid

Conway cellular automaton: draw cells and watch them evolve